MADE BY COLD ROLLED STEEL COILS, BLACK ANNEALED, ANTI-RUSTY OILED, GOOD FINISHING, PACKING IN SMALL BUNDLES, 5.8M LENGTH MADE BY COLD ROLLED STEEL COILS, BLACK ANNEALED, ANTI-RUSTY OILED, GOOD FINISHING, PACKING IN SMALL BUNDLES, 5.8M LENGTH STEEL WINDOW PROFILES